AU2006212191B2 - Parametric joint-coding of audio sources - Google Patents

Parametric joint-coding of audio sources Download PDF

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Publication number
AU2006212191B2
AU2006212191B2 AU2006212191A AU2006212191A AU2006212191B2 AU 2006212191 B2 AU2006212191 B2 AU 2006212191B2 AU 2006212191 A AU2006212191 A AU 2006212191A AU 2006212191 A AU2006212191 A AU 2006212191A AU 2006212191 B2 AU2006212191 B2 AU 2006212191B2
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AU
Australia
Prior art keywords
source signals
audio
source
signals
parameters
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AU2006212191A
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AU2006212191A1 (en
Inventor
Christof Faller
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Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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Assigned to FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. reassignment FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. Request for Assignment Assignors: FRAUNHOFER-GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
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Priority to AU2009200407A priority Critical patent/AU2009200407B2/en
Priority to AU2010236053A priority patent/AU2010236053B2/en
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0204—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/307—Frequency adjustment, e.g. tone control
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/233—Processing of audio elementary streams
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03—Application of parametric coding in stereophonic audio systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/13—Application of wave-field synthesis in stereophonic audio systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Stereophonic System (AREA)
AU2006212191A 2005-02-14 2006-02-13 Parametric joint-coding of audio sources Expired AU2006212191B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2009200407A AU2009200407B2 (en) 2005-02-14 2009-02-04 Parametric joint-coding of audio sources
AU2010236053A AU2010236053B2 (en) 2005-02-14 2010-10-27 Parametric joint-coding of audio sources

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP05101055.1 2005-02-14
EP05101055A EP1691348A1 (en) 2005-02-14 2005-02-14 Parametric joint-coding of audio sources
PCT/EP2006/050904 WO2006084916A2 (en) 2005-02-14 2006-02-13 Parametric joint-coding of audio sources

Related Child Applications (1)

Application Number Title Priority Date Filing Date
AU2009200407A Division AU2009200407B2 (en) 2005-02-14 2009-02-04 Parametric joint-coding of audio sources

Publications (2)

Publication Number Publication Date
AU2006212191A1 AU2006212191A1 (en) 2006-08-17
AU2006212191B2 true AU2006212191B2 (en) 2009-01-15

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Family Applications (3)

Application Number Title Priority Date Filing Date
AU2006212191A Expired AU2006212191B2 (en) 2005-02-14 2006-02-13 Parametric joint-coding of audio sources
AU2009200407A Expired AU2009200407B2 (en) 2005-02-14 2009-02-04 Parametric joint-coding of audio sources
AU2010236053A Expired AU2010236053B2 (en) 2005-02-14 2010-10-27 Parametric joint-coding of audio sources

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AU2009200407A Expired AU2009200407B2 (en) 2005-02-14 2009-02-04 Parametric joint-coding of audio sources
AU2010236053A Expired AU2010236053B2 (en) 2005-02-14 2010-10-27 Parametric joint-coding of audio sources

Country Status (17)

Country Link
US (12) US8355509B2 (https=)
EP (4) EP1691348A1 (https=)
JP (2) JP5179881B2 (https=)
KR (1) KR100924577B1 (https=)
CN (2) CN102123341B (https=)
AT (1) ATE531035T1 (https=)
AU (3) AU2006212191B2 (https=)
BR (5) BR122018072508B1 (https=)
CA (2) CA2597746C (https=)
ES (2) ES2374434T3 (https=)
IL (1) IL185192A (https=)
MX (1) MX2007009559A (https=)
NO (1) NO338701B1 (https=)
PL (1) PL1844465T3 (https=)
RU (1) RU2376654C2 (https=)
TR (1) TR201811059T4 (https=)
WO (1) WO2006084916A2 (https=)

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